Turbo Action 70600 CHEETAH E-SHIFT Controller - Manual (Page 16)

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January 15, 2009
Shifting Air Shifters or Electronic Valve Bodies with Time and RPM Combined.
#70600 CHEETAH E-SHIFT Controller Timer Settings for Comp and SuperStock Eliminators
Why use timers & RPM for your 1-2 shift?
The last 3-5 years high rpm engines, high stall converters, slow shift transmissions, lower rear gears and marginal traction all
cause issues for accurate 1-2 shifts. The Turbo Action CHEETAH E-SHIFT Controller can eliminate most of these issues.
CHEETAH E-SHIFT can delay your shift and then let rpm take over. This combination will make possible nearly perfect shifts every
run.
The following will outline how to use our CHEETAH E-SHIFT to accomplish the near perfect every run:
1. You will need to wire your box slightly different then as shown in the wiring diagrams included with CHEETAH E-
SHIFT Controller.
2. Go to Page 5, Figure #1 of the instructions. If you were using RPM only to shift, you would have your 1-2 SHIFT wire
on 1
st Shift Out and the 2-3 Shift wire on 2 nd Shift Out.
3. Shifting with Time & RPM you must move the 1-2 SHIFT wire to the 2 nd Shift Out position. Then move the 2-3 Shift
wire to the 3rd Shift Out position.
4. Now you will change the RPM Settings in the CHEETAH E-SHIFT Controller.
5. Rotate the Function Switch to Position #1 and set RPM to 5000 RPM.
6. Rotate the Function Switch to Position #2 and set RPM to 5000 RPM.
7. Rotate the Function Switch to Position #14 to set Timers. Before setting them you need to look at your computer runs
and find a good run and see at what time the shift occurred after leaving the starting line. Usually the time is 1.2-1.6
sec. Note your computer is telling you when the shift occurred not when the transmission was told to shift. Normally
a transmission can take about 0.05 sec to shift.
8. If you determine the shift occurred at 1.4 sec, then you need to cause the shift to start before that time. Try 1.2 sec
the first time.
It is better to be early then late!
9. How to cause the shift to happen at approximately 1.4 sec:
a. At Position #14 you should be reading 1.5 (Relay 1, 0.5 sec delay). The 1000 Set Button is the Timer Select
Button and the 100 Set Button is the Time Button when at Position #14. Time can only be set in tenths of a
second.
b. Timer 1, Set Time to .9 by pushing 100 Set Button (1.9).
c. Timer 2, Push 1000 Set Button once to read 2.
d. Timer 2, Set Time to .3 by pushing 100 Set Button (2.3).
e. Do not change Timer 3 or 4.
10. The combination of Timer 1 (.9 sec) + Timer 2 (.3 sec) = 1.2 sec. When the timer finishes, RPM takes over and you
told it to shift at 5000 RPM on both the #1 & #2 Function Positions. When your Timers time out, you are higher than
5000 RPM and the transmission shift cycle begins. Adjusting Timer 1 & 2 can do fine-tuning of your shift points.
11. Setting the 2-3 shift point, you will set Function Switch Position #3 and set to desired RPM (Example 9500 RPM, note
LED’s read 9503. The 3 in 9503 is the position you are at on the Select Rotary Switch.
12. Two more things must be done to complete this set up.
a. Connect 12-16 volts from a source such as a Clutch Pedal, Tranz Brake or Special switch on the tranz brake
solenoid side, etc to Tranz Brake Position on the CHEETAH E-SHIFT Controller.
b. Connect 12-16 volts wire from solenoid side of Burnout Switch to Burn Position on the CHEETAH E-SHIFT
Controller.
c. Set RPM to 9000 RPM at Function Positions #6, #7 and #8.
This completes the set up and should be ready to race.
01-20-09